New Idria - San Carlos Mine

Producer in San Benito county in California, United States with commodity Mercury
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10040905
MRDS ID M055790
Record type Site
Current site name New Idria - San Carlos Mine
Related records 10164022

Geographic coordinates

Geographic coordinates: -120.65877, 36.39272 (WGS84)
Elevation 1433

Site location context

Political divisions (FIPS codes)

San Benito(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Idria(quadrangle 1:24,000 scale)

Coalinga(quadrangle 1:100,000 scale)

Monterey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Panoche-San Luis Reservoir(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California San Benito

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 018S 012E 04 California

Comments on the location information

  • HOLMES CONSIDERS THIS PART OF NEW IDRIA MINE

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore
Metacinnabar Ore
Quartz Gangue

Alteration

  • (Local) Moderately Argillized And Indurated Panoche

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Panoche Formation
    Rock description Panoche Formation

Nearby scientific data

(1) -120.65877, 36.39272

Economic information

Geologic structures

Type of structure Regional
Structure description N 70 W Coalinga Anticline New Idria Thrust Fault
Type of structure Local
Structure description Coalinga Anticline, New Idria Thrust Fault

Ore body information

  • General form LENS

Controls for ore emplacement

  • Fault Zones Intersecting New Idria Thrust

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1858

Mining district

District name New Idria

Ownership information

  • Type Owner-Operator
    Owner New Idria Quicksilver Mining Co.
    First year 1941

Comments on the production information

  • PRODUCTION INCLUDED IN NEW IDRIA MINE

Workings at the site

  • Type of workings Surface/Underground
    Length 2590.8M
    Overall length 182.88M
    Overall width 91.44M

Reference information

Bibliographic references

  • Deposit

    ECKEL, E. B. AND MYERS, W. B., 1946, QUICKSILVER DEPOSITS OF THE NEW IDRIA DISTRICT SAN BENITO AND FRESNO COUNTIES, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 42, P. 81 - 124

  • Deposit

    BAILEY, E. H., U.S.G.S., PERSONAL FILES

General comments

Subject category Comment text
Deposit AREA IS LARGE OVAL BODY OF SHEARED SERPENTINE, RIMMED BY FRANCISCAN AND OVERLAIN BY PANOCHE. STRUCTURE IS ASSYMMETRIC ANTICLINE WITH OVERTURNED BEDS AND NEW IDRIA THRUST FAULT ON NE SIDE ; INFO.SRC : BAILEY E H

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.